1988

  Joined 19th school of Cheonnam Chaeyukgwan (origin, Moodeok-gwan)

 

1999 – 2002

  Saekorea Taekwondo Demonstration Team, Gwangju branch team member
     -   2002 Korea-Japan World Cup PR Taekwondo demonstration)

 

2001 – 2003

  Saekorea Taekwondo Demonstration Team, Gwangju branch team leader
     -   Pilot promotion do Taekwondo in Korea

 

2002 – 2003

  Founder/Team leader of Gwangju Eagles Taekwondo Mission Team
     -   Taekwon-Dance creative and missionary activity

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2002 – 2007           

  Head instructor of 19th Cheonnam Chaeyukgwan
  Instructor of Gwangju Nongseong public elementary school
     -   Taught 6 Grader PE class and Taekwondo demonstration activity  

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2006 – 2007

  Gwangju Nam-gu Youth Recreation Center
     -   Taekwondo instructor of kindergarten department

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2002 – 2007

  Joined Cheonnam National university Taekwondo club
     -   Club activity and instruct for 1 year in 2007              

 

2004 – 2006

  Enroll to Republic of Korea Marine Corps
     -   Crew of 8th company  amphibious assault vehicle battalion, 2nd marine division
     -   Taekwondo head instructor of the company

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2007

  Korean Rope Skipping Association 

     -   Competed musical rope skipping instructor course  

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2007

  Gwangju Taekwondo Associate  

     -   Completed Taekwondo dance program

2007               

  Kukkiwon Taekwondo instructor course
     -   Completed 145th instructor course, and received recognition from the course

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2008

  Kukkiwon Taekwondo sparring competition referee course
     -   Completed 5th referee course

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2008

  Mensa International
     -   Completed the test with scoring 99% (active member of American Mensa)

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  2008 – 2009

  HiKick Taekwondo in Fullerton, California
     -   Assistance instructor of the institute and demonstration activity
     -   Team coordinator of 2008 Veterans’ day Taekwondo demonstration at Rose Bowl

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2009 – 2016

  U.S. Taekwondo Porter Ranch

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2010 – 2013

  Vision Preschool in Porter Ranch
     -   Taekwondo instructor of the school

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2010

  Topeka Elementary School
     -   Taekwondo instructor of afterschool Taekwondo program   

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2011 – 2016  

  Korean Cultural Center Taekwondo program
     -   Topeka elementary school Taekwondo PE class (2011 – 2012)
     -   Taekwondo instructor of Porter Ranch community school Taekwondo PE class (2013 – 2019)   

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2012

  National Championship
     -   Head coach of the 2012 National Champion

 

2017

  U.S. Taekwondo Valencia
     -   Head instructor of the institute
 

2018 - Current

  Started online class

     -   Out-of-state students

  Little Dreamers Preschool

     -   Taekwondo class instructor 

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2021 - Current 

  Church Everyday

     -   Hyanggi Maeul, Taekwondo Instructor

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